Please notice that the error message below is not highlighted using the newer version of compile.el. The following is what happens when I use the older version of compile.elc: Thanks for looking into this. A. Scott -----Original Message----- From: Stefan Monnier [mailto:monnier@iro.umontreal.ca] Sent: Wednesday, March 24, 2010 4:59 PM To: Scott, Ashley Cc: 5768@debbugs.gnu.org Subject: Re: bug#5768: 23.1; ModelSim and compile.el > It appears that the latest version of compile.el does not correctly > parse the error messages from ModelSim. The (compile.elc) file shipped > with emacs version 21.3 does correctly parse the ModelSim > error messages. Could you show us some sample error messages that Emacs fails to match? Stefan